We often think of first responders as the emergency agencies who come to the aid of those in need. But in the Gulf Coast, after Hurricane Katrina, there was another heroic group of rescuers who took immediate action: The food community.

In the wake of the hurricane, as we discover in our ABC News special, "Katrina: 10 Years After the Storm," with Robin Roberts, airing on Sunday, Aug. 23 at 10 p.m. EST, chefs and restaurant owners teamed up to became a vital life force, sustaining those who were trying to rebuild their broken lives, and gently nurturing the Gulf Coast back from devastation.